Anthropic's Most Powerful Claude AI Model Just Got More Powerful ...
Claude Opus 4.6 and ChatGPT 5.3 Codex launch with a 1-million-token window and 25% faster runs, letting you match tasks to each model’s strengths.
I put Claude 4.6 Opus head-to-head with ChatGPT-5.2 Thinking in a nine-round “Reasoning Gauntlet” to see which model gives ...
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